<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>{% block title %}

    {% endblock %}</title>
    <link rel="stylesheet" href="/static/commons.css">
    <style>
        .pg-header {
            height: 50px;
            background-color: seashell;
            color: greenyellow;
        }
    </style>
    {% block css %} {% endblock %}
</head>
<body>
    <div class="pg-header">wadfkdf</div>
    {% block content %}
    {% endblock %}
    <script src="/static/jquery-1.12.4.js"></script>
    {% block js %}
    
    {% endblock %}
</body>
</html>